X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Flog.c;h=47464fefbb2bad75908587b880b7c7b00fe3c2c8;hp=d834bac3e2e912cf914a6326edd7e035f8a10502;hb=2ba84b155219d5d18eed5ba4d929c12abdb88f14;hpb=ba1eb985bfd53a8cfbfd251e65688921dba56236 diff --git a/src/log.c b/src/log.c index d834bac..47464fe 100644 --- a/src/log.c +++ b/src/log.c @@ -1,8 +1,6 @@ -/* - * Copyright (C) 1995-2006, Index Data ApS +/* This file is part of the YAZ toolkit. + * Copyright (C) 1995-2008 Index Data * See the file LICENSE for details. - * - * $Id: log.c,v 1.42 2006-10-09 11:21:37 adam Exp $ */ /** @@ -18,14 +16,6 @@ #include #endif -#if YAZ_POSIX_THREADS -#include -#endif - -#if YAZ_GNU_THREADS -#include -#endif - #include #include #include @@ -36,10 +26,9 @@ #include #include #include +#include #include -static NMEM_MUTEX log_mutex = 0; - #define HAS_STRERROR 1 @@ -57,7 +46,7 @@ char *strerror(int n) static int l_level = YLOG_DEFAULT_LEVEL; -enum l_file_type { use_stderr, use_none, use_file }; +enum l_file_type { use_stderr, use_none, use_file }; static enum l_file_type yaz_file_type = use_stderr; static FILE *yaz_global_log_file = NULL; @@ -122,8 +111,6 @@ static void internal_log_init(void) return; mutex_init_flag = 1; /* here, 'cause nmem_mutex_create may call yaz_log */ - nmem_mutex_create(&log_mutex); - env = getenv("YAZ_LOG"); if (env) l_level = yaz_log_mask_str_x(env, l_level); @@ -176,17 +163,17 @@ void yaz_log_init_file(const char *fname) static void rotate_log(const char *cur_fname) { int i; + #ifdef WIN32 /* windows can't rename a file if it is open */ - fclose(yaz_global_log_file); - yaz_global_log_file = 0; + yaz_log_close(); #endif for (i = 0; i<9; i++) { char fname_str[FILENAME_MAX]; struct stat stat_buf; - sprintf(fname_str, "%s.%d", cur_fname, i); + yaz_snprintf(fname_str, sizeof(fname_str), "%s.%d", cur_fname, i); if (stat(fname_str, &stat_buf) != 0) break; } @@ -195,10 +182,13 @@ static void rotate_log(const char *cur_fname) char fname_str[2][FILENAME_MAX]; if (i > 0) - sprintf(fname_str[0], "%s.%d", cur_fname, i-1); + yaz_snprintf(fname_str[0], sizeof(fname_str[0]), + "%s.%d", cur_fname, i-1); else - sprintf(fname_str[0], "%s", cur_fname); - sprintf(fname_str[1], "%s.%d", cur_fname, i); + yaz_snprintf(fname_str[0], sizeof(fname_str[0]), + "%s", cur_fname); + yaz_snprintf(fname_str[1], sizeof(fname_str[1]), + "%s.%d", cur_fname, i); #ifdef WIN32 MoveFileEx(fname_str[0], fname_str[1], MOVEFILE_REPLACE_EXISTING); #else @@ -227,10 +217,8 @@ void yaz_log_init_level(int level) yaz_log(YLOG_LOGLVL, "Setting log level to %d = 0x%08x", l_level, l_level); /* determine size of mask_names (locked) */ - nmem_mutex_enter(log_mutex); for (sz = 0; mask_names[sz].name; sz++) ; - nmem_mutex_leave(log_mutex); /* second pass without lock */ for (i = 0; i < sz; i++) if (mask_names[i].mask && *mask_names[i].name) @@ -248,7 +236,7 @@ void yaz_log_init_level(int level) void yaz_log_init_prefix(const char *prefix) { if (prefix && *prefix) - sprintf(l_prefix, "%.511s ", prefix); + yaz_snprintf(l_prefix, sizeof(l_prefix), "%s ", prefix); else *l_prefix = 0; } @@ -256,7 +244,7 @@ void yaz_log_init_prefix(const char *prefix) void yaz_log_init_prefix2(const char *prefix) { if (prefix && *prefix) - sprintf(l_prefix2, "%.511s ", prefix); + yaz_snprintf(l_prefix2, sizeof(l_prefix2), "%s ", prefix); else *l_prefix2 = 0; } @@ -301,7 +289,10 @@ static void yaz_log_open_check(struct tm *tm, int force, const char *filemode) char new_filename[512]; static char cur_filename[512] = ""; - if (l_fname && *l_fname) + if (yaz_file_type != use_file) + return; + + if (*l_fname) { strftime(new_filename, sizeof(new_filename)-1, l_fname, tm); if (strcmp(new_filename, cur_filename)) @@ -311,7 +302,7 @@ static void yaz_log_open_check(struct tm *tm, int force, const char *filemode) } } - if (l_max_size > 0 && yaz_global_log_file && yaz_file_type == use_file) + if (l_max_size > 0 && yaz_global_log_file) { long flen = ftell(yaz_global_log_file); if (flen > l_max_size) @@ -320,12 +311,25 @@ static void yaz_log_open_check(struct tm *tm, int force, const char *filemode) force = 1; } } - if (force && yaz_file_type == use_file && *cur_filename) + if (force && *cur_filename) { + FILE *new_file; +#ifdef WIN32 yaz_log_close(); - yaz_global_log_file = fopen(cur_filename, filemode); - if (l_level & YLOG_FLUSH) - setvbuf(yaz_global_log_file, 0, _IONBF, 0); +#endif + new_file = fopen(cur_filename, filemode); + if (new_file) + { + yaz_log_close(); + yaz_global_log_file = new_file; + if (l_level & YLOG_FLUSH) + setvbuf(yaz_global_log_file, 0, _IONBF, 0); + } + else + { + /* disable log rotate */ + l_max_size = 0; + } } } @@ -338,14 +342,12 @@ static void yaz_log_do_reopen(const char *filemode) struct tm *tm; #endif - nmem_mutex_enter(log_mutex); #if HAVE_LOCALTIME_R localtime_r(&cur_time, tm); #else tm = localtime(&cur_time); #endif yaz_log_open_check(tm, 1, filemode); - nmem_mutex_leave(log_mutex); } @@ -359,33 +361,10 @@ void yaz_log_trunc() yaz_log_do_reopen("w"); } - - static void yaz_strftime(char *dst, size_t sz, const char *fmt, const struct tm *tm) { - const char *cp = strstr(fmt, "%!"); - if (cp && strlen(fmt) < 60) - { - char fmt2[80]; - char tpidstr[20]; -#ifdef WIN32 - DWORD tid = GetCurrentThreadId(); -#else - long tid = 0; -#if YAZ_POSIX_THREADS - tid = pthread_self(); -#endif -#endif - memcpy(fmt2, fmt, cp-fmt); - fmt2[cp-fmt] = '\0'; - sprintf(tpidstr, "%08lx", (long) tid); - strcat(fmt2, tpidstr); - strcat(fmt2, cp+2); - strftime(dst, sz, fmt2, tm); - } - else - strftime(dst, sz, fmt, tm); + strftime(dst, sz, fmt, tm); } static void yaz_log_to_file(int level, const char *log_message) @@ -400,8 +379,6 @@ static void yaz_log_to_file(int level, const char *log_message) internal_log_init(); - nmem_mutex_enter(log_mutex); - #if HAVE_LOCALTIME_R localtime_r(&ti, tm); #else @@ -424,23 +401,30 @@ static void yaz_log_to_file(int level, const char *log_message) if (*mask_names[i].name && mask_names[i].mask && mask_names[i].mask != YLOG_ALL) { - sprintf(flags + strlen(flags), "[%s]", mask_names[i].name); + if (strlen(flags) + strlen(mask_names[i].name) + < sizeof(flags) - 4) + { + strcat(flags, "["); + strcat(flags, mask_names[i].name); + strcat(flags, "]"); + } level &= ~mask_names[i].mask; } } - - if (l_level & YLOG_NOTIME) - tbuf[0] = '\0'; - else - yaz_strftime(tbuf, TIMEFORMAT_LEN-1, l_actual_format, tm); - tbuf[TIMEFORMAT_LEN-1] = '\0'; - - fprintf(file, "%s %s%s %s%s\n", tbuf, l_prefix, flags, l_prefix2, + + tbuf[0] = '\0'; + if (!(l_level & YLOG_NOTIME)) + { + yaz_strftime(tbuf, TIMEFORMAT_LEN-2, l_actual_format, tm); + tbuf[TIMEFORMAT_LEN-2] = '\0'; + } + if (tbuf[0]) + strcat(tbuf, " "); + fprintf(file, "%s%s%s %s%s\n", tbuf, l_prefix, flags, l_prefix2, log_message); if (l_level & YLOG_FLUSH) fflush(file); } - nmem_mutex_leave(log_mutex); } void yaz_log(int level, const char *fmt, ...) @@ -454,22 +438,21 @@ void yaz_log(int level, const char *fmt, ...) if (!(level & l_level)) return; va_start(ap, fmt); -#ifdef WIN32 - _vsnprintf(buf, sizeof(buf)-1, fmt, ap); -#else -/* !WIN32 */ -#if HAVE_VSNPRINTF - vsnprintf(buf, sizeof(buf), fmt, ap); -#else - vsprintf(buf, fmt, ap); -#endif -#endif -/* WIN32 */ + + /* 30 is enough for our 'rest of output' message */ + yaz_vsnprintf(buf, sizeof(buf)-30, fmt, ap); + if (strlen(buf) >= sizeof(buf)-31) + strcat(buf, " [rest of output omitted]"); + if (o_level & YLOG_ERRNO) { - strcat(buf, " ["); - yaz_strerror(buf+strlen(buf), 2048); - strcat(buf, "]"); + int remain = sizeof(buf) - strlen(buf); + if (remain > 100) /* reasonable minimum space for error */ + { + strcat(buf, " ["); + yaz_strerror(buf+strlen(buf), remain-5); /* 5 due to extra [] */ + strcat(buf, "]"); + } } va_end (ap); if (start_hook_func) @@ -521,26 +504,22 @@ static int define_module_bit(const char *name) { int i; - nmem_mutex_enter(log_mutex); for (i = 0; mask_names[i].name; i++) if (0 == strcmp(mask_names[i].name, name)) { - nmem_mutex_leave(log_mutex); return mask_names[i].mask; } - if ( (i>=MAX_MASK_NAMES) || (next_log_bit >= 1<<31 )) + if ( (i>=MAX_MASK_NAMES) || (next_log_bit & (1<<31) )) { - nmem_mutex_leave(log_mutex); yaz_log(YLOG_WARN, "No more log bits left, not logging '%s'", name); return 0; } mask_names[i].mask = next_log_bit; next_log_bit = next_log_bit<<1; - mask_names[i].name = malloc(strlen(name)+1); + mask_names[i].name = (char *) malloc(strlen(name)+1); strcpy(mask_names[i].name, name); mask_names[i+1].name = NULL; mask_names[i+1].mask = 0; - nmem_mutex_leave(log_mutex); return mask_names[i].mask; } @@ -551,17 +530,14 @@ int yaz_log_module_level(const char *name) char *n = clean_name(name, strlen(name), clean, sizeof(clean)); internal_log_init(); - nmem_mutex_enter(log_mutex); for (i = 0; mask_names[i].name; i++) if (0==strcmp(n, mask_names[i].name)) { - nmem_mutex_leave(log_mutex); yaz_log(YLOG_LOGLVL, "returning log bit 0x%x for '%s' %s", mask_names[i].mask, n, strcmp(n,name) ? name : ""); return mask_names[i].mask; } - nmem_mutex_leave(log_mutex); yaz_log(YLOG_LOGLVL, "returning NO log bit for '%s' %s", n, strcmp(n, name) ? name : "" ); return 0;